{"id":294965,"date":"2024-05-20T15:23:15","date_gmt":"2024-05-20T07:23:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/294965.html"},"modified":"2024-05-20T15:23:21","modified_gmt":"2024-05-20T07:23:21","slug":"c-%e8%af%ad%e8%a8%80%e6%95%b0%e7%bb%84%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e4%b8%8e%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/294965.html","title":{"rendered":"C \u8bed\u8a00\u6570\u7ec4\u5982\u4f55\u5b9a\u4e49\u4e0e\u4f7f\u7528"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27142017\/56b51844-1537-489b-a1a0-5e5f2839556b.webp\" alt=\"C \u8bed\u8a00\u6570\u7ec4\u5982\u4f55\u5b9a\u4e49\u4e0e\u4f7f\u7528\" \/><\/p>\n<p><p>C\u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u503c\u7684\u6570\u636e\u7ed3\u6784\uff0c<strong>\u540c\u4e00\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b<\/strong>\u3001<strong>\u6570\u7ec4\u7684\u5b9a\u4e49\u6d89\u53ca\u5230\u6307\u5b9a\u5143\u7d20\u7c7b\u578b\u548c\u6570\u91cf<\/strong>\u3002\u5728C\u8bed\u8a00\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u957f\u5ea6]; \u4f8b\u5982\uff0c\u5b9a\u4e49\u4e00\u4e2a\u53ef\u4ee5\u5b58\u50a810\u4e2a\u6574\u6570\u7684\u6570\u7ec4\uff0c\u5219\u53ef\u4ee5\u5199\u6210int arr[10];\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u6ce8\u91cd\u7406\u89e3<strong>\u6570\u7ec4\u7684\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684<\/strong>\uff0c\u8fd9\u610f\u5473\u7740\u5728\u4e00\u4e2a\u670910\u4e2a\u5143\u7d20\u7684\u6570\u7ec4\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f0\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15\u662f9\u3002<\/p>\n<\/p>\n<p><p>\u6570\u7ec4\u7684\u4f7f\u7528\u6db5\u76d6\u4e86\u5bf9\u5176\u5143\u7d20\u7684\u8bbf\u95ee\u3001\u4fee\u6539\u548c\u904d\u5386\u3002\u7279\u522b\u5730\uff0c\u5b66\u4e60\u5982\u4f55\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\u904d\u5386\u6570\u7ec4\u4ee5\u6267\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u8ba1\u7b97\u603b\u548c\u6216\u5bfb\u627e\u6700\u5927\u5143\u7d20\uff0c\u662f\u638c\u63e1\u6570\u7ec4\u4f7f\u7528\u7684\u5173\u952e\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5982\u4f55\u6709\u6548\u5730\u5b9a\u4e49\u548c\u4f7f\u7528C\u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u6570\u7ec4\u7684\u5b9a\u4e49<\/h3>\n<\/p>\n<p><p>\u5728C\u8bed\u8a00\u4e2d\u5b9a\u4e49\u6570\u7ec4\u524d\u5fc5\u987b\u6307\u5b9a\u6570\u7ec4\u7684\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u6570\u7ec4\u7c7b\u578b\u51b3\u5b9a\u4e86\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u7684\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u5982\u6574\u6570(int)\u3001\u6d6e\u70b9\u6570(float)\u6216\u5b57\u7b26(char)\u7b49\uff0c\u800c\u6570\u7ec4\u5927\u5c0f\u51b3\u5b9a\u4e86\u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u7684\u5143\u7d20\u7684\u6570\u91cf\uff0c\u5fc5\u987b\u662f\u4e00\u4e2a\u6b63\u6574\u6570\u5e38\u91cf\u6216\u5e38\u91cf\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>\u5b9a\u4e49\u6574\u6570\u6570\u7ec4<\/h4>\n<\/p>\n<p><p>\u4e00\u4e2a\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u5730\u58f0\u660e\u5b83\u7684\u7c7b\u578b\u548c\u5927\u5c0f\u6765\u5b9a\u4e49\u3002\u6bd4\u5982\uff0c\u5982\u679c\u6211\u4eec\u8981\u5b58\u50a85\u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b9a\u4e49\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-c\">int numbers[5];<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u58f0\u660e\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>numbers<\/code>\u7684\u6570\u7ec4\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a85\u4e2a\u6574\u6570\u3002\u6ce8\u610f\u6570\u7ec4\u7684\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u8ba1\u7b97\u7684\uff0c\u56e0\u6b64\u8fd9\u4e2a\u6570\u7ec4\u7684\u6709\u6548\u7d22\u5f15\u8303\u56f4\u662f0\u52304\u3002<\/p>\n<\/p>\n<p><h4>\u5b9a\u4e49\u6d6e\u70b9\u6570\u548c\u5b57\u7b26\u6570\u7ec4<\/h4>\n<\/p>\n<p><p>\u4e0d\u4ec5\u53ef\u4ee5\u5b9a\u4e49\u6574\u6570\u6570\u7ec4\uff0c\u8fd8\u53ef\u4ee5\u5b9a\u4e49\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u5982\u6d6e\u70b9\u6570\u6570\u7ec4\u548c\u5b57\u7b26\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-c\">float temperatures[7]; \/\/ \u5b58\u50a8\u4e00\u5468\u7684\u6e29\u5ea6<\/p>\n<p>char name[50]; \/\/ \u5b58\u50a8\u4e00\u4e2a\u4eba\u7684\u540d\u5b57\uff0c\u6700\u591a49\u4e2a\u5b57\u7b26\u52a0\u4e0a\u4e00\u4e2a\u7ed3\u675f\u7b26&#039;\\0&#039;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u6570\u7ec4\u7684\u521d\u59cb\u5316<\/h3>\n<\/p>\n<p><p>\u6570\u7ec4\u5b9a\u4e49\u540e\uff0c\u53ef\u4ee5\u7acb\u5373\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u5373\u4e3a\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u6307\u5b9a\u4e00\u4e2a\u521d\u59cb\u503c\u3002<\/p>\n<\/p>\n<p><h4>\u9759\u6001\u521d\u59cb\u5316<\/h4>\n<\/p>\n<p><pre><code class=\"language-c\">int numbers[5] = {2, 4, 6, 8, 10};<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e00\u8bed\u6cd5\u660e\u786e\u6307\u5b9a\u4e86\u6570\u7ec4<code>numbers<\/code>\u4e94\u4e2a\u5143\u7d20\u7684\u521d\u59cb\u503c\u3002\u5982\u679c\u521d\u59cb\u5316\u65f6\u6ca1\u6709\u63d0\u4f9b\u8db3\u591f\u7684\u5143\u7d20\uff0c\u672a\u6307\u5b9a\u7684\u5143\u7d20\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h4>\u52a8\u6001\u521d\u59cb\u5316<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5927\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u52a8\u6001\u5206\u914d\u503c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-c\">for(int i = 0; i &lt; 5; i++) {<\/p>\n<p>    numbers[i] = i * 2;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u7528\u4e8e\u4e3a\u6570\u7ec4<code>numbers<\/code>\u7684\u6bcf\u4e2a\u5143\u7d20\u5206\u914d\u4e00\u4e2a\u52a8\u6001\u8ba1\u7b97\u7684\u521d\u59cb\u503c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u6570\u7ec4\u7684\u8bbf\u95ee\u4e0e\u4fee\u6539<\/h3>\n<\/p>\n<p><p>\u6570\u7ec4\u5b9a\u4e49\u548c\u521d\u59cb\u5316\u4e4b\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u5176\u7d22\u5f15\u8bbf\u95ee\u6216\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h4>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/h4>\n<\/p>\n<p><pre><code class=\"language-c\">printf(&quot;%d&quot;, numbers[0]); \/\/ \u6253\u5370\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>\u4fee\u6539\u6570\u7ec4\u5143\u7d20<\/h4>\n<\/p>\n<p><pre><code class=\"language-c\">numbers[0] = 12; \/\/ \u5c06\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4fee\u6539\u4e3a12<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u6570\u7ec4\u7684\u904d\u5386<\/h3>\n<\/p>\n<p><p>\u5904\u7406\u6570\u7ec4\u6570\u636e\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u904d\u5386\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u904d\u5386\u6570\u7ec4\u901a\u5e38\u4f7f\u7528\u5faa\u73af\u7ed3\u6784\uff0c\u5982<code>for<\/code>\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-c\">for(int i = 0; i &lt; 5; i++) {<\/p>\n<p>    printf(&quot;%d\\n&quot;, numbers[i]);<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6bb5\u4ee3\u7801\u904d\u5386\u4e86\u6570\u7ec4<code>numbers<\/code>\uff0c\u6253\u5370\u4e86\u5b83\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u591a\u7ef4\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>C\u8bed\u8a00\u4e0d\u4ec5\u652f\u6301\u4e00\u7ef4\u6570\u7ec4\uff0c\u8fd8\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u3002\u6700\u5e38\u89c1\u7684\u591a\u7ef4\u6570\u7ec4\u662f\u4e8c\u7ef4\u6570\u7ec4\uff0c\u7c7b\u4f3c\u4e8e\u6570\u5b66\u4e2d\u7684\u77e9\u9635\u3002<\/p>\n<\/p>\n<p><h4>\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4<\/h4>\n<\/p>\n<p><pre><code class=\"language-c\">int matrix[3][4]; \/\/ \u4e00\u4e2a3\u884c4\u5217\u7684\u4e8c\u7ef4\u6574\u6570\u6570\u7ec4<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>\u8bbf\u95ee\u4e0e\u4fee\u6539\u4e8c\u7ef4\u6570\u7ec4<\/h4>\n<\/p>\n<p><p>\u4e8c\u7ef4\u6570\u7ec4\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u9700\u8981\u901a\u8fc7\u4e24\u4e2a\u7d22\u5f15\u6765\u5b8c\u6210\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-c\">printf(&quot;%d&quot;, matrix[0][1]); \/\/ \u8bbf\u95ee\u7b2c\u4e00\u884c\u7b2c\u4e8c\u4e2a\u5143\u7d20<\/p>\n<p>matrix[0][1] = 5; \/\/ \u4fee\u6539\u7b2c\u4e00\u884c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u7684\u503c<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728C\u8bed\u8a00\u4e2d\uff0c\u638c\u63e1\u6570\u7ec4\u7684\u5b9a\u4e49\u4e0e\u4f7f\u7528\u662f\u57fa\u672c\u6280\u80fd\u4e4b\u4e00\u3002\u901a\u8fc7\u7406\u89e3\u6570\u7ec4\u7684\u5185\u5b58\u5e03\u5c40\u3001\u5b66\u4e60\u6570\u7ec4\u7684\u521d\u59cb\u5316\u3001\u8bbf\u95ee\u3001\u4fee\u6539\u548c\u904d\u5386\u65b9\u6cd5\uff0c\u4ee5\u53ca\u638c\u63e1\u591a\u7ef4\u6570\u7ec4\u7684\u6982\u5ff5\u548c\u5e94\u7528\uff0c\u53ef\u4ee5\u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u5730\u5904\u7406\u96c6\u5408\u6570\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u5982\u4f55\u5728C\u8bed\u8a00\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\uff1f<\/strong><br \/>\n\u5728C\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u6765\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\uff1a\u6570\u636e\u7c7b\u578b \u6570\u7ec4\u540d[\u6570\u7ec4\u5927\u5c0f]\u3002\u4f8b\u5982\uff0cint numbers[5]\u8868\u793a\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b5\u4e2a\u6574\u6570\u5143\u7d20\u7684\u6570\u7ec4\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982int\u3001float\u3001char\u7b49\u3002<\/p>\n<p><strong>2. \u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\uff1f<\/strong><br \/>\n\u4f7f\u7528\u6570\u7ec4\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u6570\u7ec4\u7684\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u4f9d\u6b21\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95eenumbers\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528numbers[0]\u3002\u901a\u8fc7\u5faa\u73af\u7ed3\u6784\uff0c\u6211\u4eec\u53ef\u4ee5\u904d\u5386\u6574\u4e2a\u6570\u7ec4\u5e76\u64cd\u4f5c\u5176\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u7ed9C\u8bed\u8a00\u6570\u7ec4\u8d4b\u503c\u548c\u53d6\u503c\uff1f<\/strong><br \/>\n\u8981\u7ed9\u6570\u7ec4\u8d4b\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u548c\u4e0b\u6807\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cnumbers[0] = 10\u5c0610\u8d4b\u503c\u7ed9numbers\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u7136\u540e\u53ef\u4ee5\u4f7f\u7528numbers[0]\u6765\u83b7\u53d6\u8be5\u503c\u3002\u53d6\u503c\u548c\u8d4b\u503c\u64cd\u4f5c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5bf9\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u8d4b\u503c\u6216\u53d6\u503c\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"C\u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\u662f\u4e00\u79cd\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u503c\u7684\u6570\u636e\u7ed3\u6784\uff0c\u540c\u4e00\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u6570\u636e\u7c7b\u578b\u3001\u6570\u7ec4\u7684\u5b9a\u4e49\u6d89\u53ca\u5230\u6307\u5b9a [&hellip;]","protected":false},"author":3,"featured_media":294968,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294965"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=294965"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/294965\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/294968"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=294965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=294965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=294965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}